
AT-S81 Management Software User’s Guide
Section I: Using the Menus Interface 117
Untagged VLAN Figure 27 illustrates how VLANs with untagged port members can be
interconnected. In this example, the Sales VLAN spans two AT-8000/
8POE Fast Ethernet switches, while the Production
VLAN is limited to just
one switch.
Figure 27. VLAN - Example 2
Router
Sales VLAN
(VID 2)
Engineering VLAN
(VID 3)
Production VLAN
(VID 4)
Sales VLAN
(VID 2)
AT-8000/8POE Fast Ethernet Switch
AT-8000/8POE Fast Ethernet Switch
AT-8000/8POE
8 Port POE Fast Ethernet Switch
PoE
99R
1357
2
4
68
TERMINAL PORT
13
5
7
2468
9
9R
POWER
10/100/1000 Base-T
SFP
UPLINK PORT
RS-232
DET ON ON
100 LINK ACT 10 LINK ACT
PD ON MAX CURRENTPD ERR
10/100 LINK
1000 LINK
ACT
ACT
CLASS 1
LASER PRODUCT
MAIN PORT ACTIVITY
UPLINK PORT ACTIVITY
820
WAN
AT-8000/8POE
8 Port POE Fast Ethernet Switch
PoE
99R
1357
2
4
68
TERMINAL PORT
13
5
7
2468
9
9R
POWER
10/100/1000 Base-T
SFP
UPLINK PORT
RS-232
DET ON ON
100 LINK ACT 10 LINK ACT
PD ON MAX CURRENTPD ERR
10/100 LINK
1000 LINK
ACT
ACT
CLASS 1
LASER PRODUCT
MAIN PORT ACTIVITY
UPLINK PORT ACTIVITY
820
Router
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